j\., .. .i ,-.».

iEPORf- ...•._ ....••

011

J .J e FOID':;:liS~lrllNl2JG ,b;ifCli}J~n, U• .;Ie ElJl1t.,JdJ O~' MlKihS.

, i

l\

B1 l'rll1ngham. .AI a})fiilllfihJanu&.ry 25, 1921.

- 000 -

lntroductlo11 .. .. . . . . .. . . . ~ .. .. .Location. •. • • • • • •• • • • • •• • • • 1

Ownership and Operators. • • It • • •• • •• • ••1

Geolo§ •• • •• • • • • • • • • •• • • • • 2

Boot It •• • • • • • •• •• •• • • • •• • •• ••

.1'1001' • •• • •• ••• • •• •• •• • •• • •• • •• ••

41ml1dlt)'" and ltlGt.. •• •• • •• • •• • •• .' •• • •.

~.,obo.metrle Cbservation$ • •. •. •. •. •. •. •. •. • 5

~1nlusUetuods.. •. •. •. •. •. • • •. • • •. • •• • • • • • • • • • ••

i¥floslvaa and Bla,t1ng. •. •. •. •. •. • •. • •. • 7

•• •• •• • • • •• •• •• • • 6

Lighting.. •. • ••• •. •• •• •• •• •••• •• s

Ventl1ation • • •• •• • •• •• •• •• •• • • • 8

• • •• •• • • •• •• • • • • 10ROOk ~u&tlngMethods •. •. • • • •. •. •. •. • •.• 10

• •• •• •• • • • • • • •• ••• 11

Gas. •• • • • •. • •• •• • • •••• •• •• • 12

Sam,plea Oolleoted •. •.DeU.118 of 1.Vl4.011O. ( In .•• st 19a:\ 1011

•• • • • •• •• • •• 12

•• •• • • •• 13

i;jt017 ot SJ;los1on • •. •• •• •• •• •• •• •• •• 17

Page.oonclua lou • • • • • It • • • • • • • • • • • 18ltecommen@tlons • • • • • • • • •• • • .• • • • 28

All explosion occurred. intne l·arrlsb lU_ operated by the BaUwq

)'uo1 Compaq, located at .rarrhb. Ala~, about 8.45A. )It. November23. 1920;

due to labOr trouble". One hundred fort,-flve menV/0"ln the· mine at tbe

time of tne ~loalort ani all (125)eaos-ped unusist,oo with the exee;ptlOll of

those k1l1e4 M.<.iinJured. ~lx tl$n (names; tilos Bent11. John Jordan.

Charlie L~.h Itel100nPhillillliJ. Lee Ch.~tbl.e. n. il. CilatZIHln} were k111ed out-

right end six others '{names; James -~ammons.B. A.BocheU. 1. 11. (}urison,

4ays later. Nine ot the victims died. as _result of bums, "'i-nile the

a'bout nlne mil. 80l1th Of Ja81H9r., Alabama, andio..-"-t!,,. miles north-weet otI

- 1 -

the Jfv:rl.$:b. li1M. this I!J~ ooeuJ'$ tn twob~UOb. lind will ~J.,;ro.dm.t.

Gl~ toot in tblo~alJ; wh.U.. in other va:rt$ 01' tb..~mino tlnly tht!i 'elf

1-. Q:Qf:):1 -.' .•...• """ "'" •• •. ..•.••-. .• - •.•.. ' w oiilt.

z. DOne· "'~...........,., 1!I'l't .••• - fM •. •• <i!I': •• •• •• •• •..

3.- Coal .........-.,..... - ,. •..•..•.•4:. llla'te •.., ...•..•...- - ,........••••".,..•.•. • .• .- .•5.Oo~ •........•..••.- - ...~ •........• - •

* 'iii ~lat•..U~l"t1t1g •.••••.••••.•••••• "'" .•..••••.•.••••.•1. v()G.l •.••.• ..•,............................~...... •••e.. r"lO.QT ". • ~ •. .•... ~ .•. ~ ,.f •. -- •• •••• .• ••• -

~,QiA'~/ir?:,u..:ktoot j;' rOvGr ..•..... ••• •.• •• ..• •.. .•• •• •.• •••••...tmrr.$d1a.te Roo" ..•.•.•.••.••.••.••.•....•.••••

1. O-o~l ....•...••. - .• • .• •• ..•....•""'".•.•. ~ •. .-i. slat., - ~ - - -. .' • - - - ~ - -:5. Coal .",......'~............... - - .•. .•..•. •..••••• 'lOae --_ ••.•.••..•• -..- -.' ••.•6. Ueal - - •• - - • ~_.'. _ •• ~ •

• 6. ~l~t.ie:rt~ ..••.••.••.•.•......""•.......•.-"I. Cf)~ ••• •• ••• ••••••• •• ••• ••• •••.••••••• ...; •••••.• -e. ~loor .•.••.•.•"'"•.......•..•.• ,.;,...........• --

litrrd jl f"t;$ "~ ..1oI)

~~..~i-91:)4!re

S~:{ld!'OCk.

~~t"dC~.J~¢t ~lat$.~Q.031ate'i,~n~'thiok.¥ ~011 3.ofo 1I) 4o S·

o ";i;l~lb

~nis J.e-rUng divide. 0-001 seam into two benchas. namely: t.ur.... 81id RPttqm.'.!-

Under d",\e, Noveuw 2&, 1920. tb.eseam at this ko'l"opertl was

._,t.led. _ J. J •. I,nobaa at tour N:Pr&sentatlve loea,tiona and forwarded. to

BUNcU of .!tIne. La~o:rl.~ for anal,'aelh 'rhe I"Gsults of tile" analyses

" *u :: :: : : : 1;;; lea: loiii;; !oi.\U,"oatlon , 11a:ftA AM Q, 1}.rg.y,_.$U\it 9Q,rbpn "

If't10e of 11s.1n Nortb. 77605 3.18 &l.51 5(hlO 15.41- .92 11921

'ace of "14ft ton 77&06 3.55 30.79 51.73 13.93 .87 12021

lue of 3l"d i~ight 77607 'S.65 ~1.19 54.04 11.92 .69 12633

rae. ot .;1t1$.U south 1'/600 ,5.6$ 00.13 12.6& 13.42 .68 121a1

• I u_

it will be noted bJ refN!Tlng to the foregoing table of anal:fse.

that the moieture eontlilnt 'Jfsuge$ l:'ietl1~~n2.6. and 3.59j~; tne volatile

matter 3O.13~ to Zl",31%; iohe f'bted 13li;rbon 50.10% to 54.04'~i tne ash. 11.92~

to 15.411~; ;jull?hur .68i~ to .92%. ~ the IhT.U' s 11921 to 12633.

~he floor 18 Go hard end faidJ smooth It>ndroclt. i~he flool" of

the seam is lrregu!.l:1.1'in some s(~cti~:n$Of'the mine. 'lh. bottom bench of

ta1e seq "1'1nonestt to about siX inch•• of coel undezoneeth slate .t:,ti.nlng.

-s ...

l'.a:lRb.rometrlc ObUrva!1ons. , ,fft.rrigtl :&itu.BAt. Me , j;'ltlge •.~R-· ltatA Wit P'n

1 11/28/20 60 OS

2 1l/2C/20 59 63

a 11/28/20 52 58

4 11/2$720 54 so

30.00 '19

30.00 &6

29.90 66

29.95 84 4tn .Lett ent17 Standing water close to observ&-tio-n point. thAt RiQO p.m.~ime 6:45 :p.m•. Entry 417- rotl)mairt ,

3rd Right entry

Last crosscut bat.··14t;1n N. b.(;'i,.ing .&:91*& .Rl"bt 5J,i:tQQHt.,

121::18 12:30 p.m. Sl;11t of intake for£8.st tide of mlne-Dry-5000 cubicfeet air. '

6 11/28/20~i 11/26/2.0

e 11 28/20

9 1 1'l./2A

10 1/12/21

11 1 12 21

12 1/12/21

57 63

62 6.3

42 44-

47 49

00.00 95·

1.8$t crosscut bet.~~in N. tle~t1ng &~QJn ~~ sirqpprit~a$t erosscut in«A"aU eut~tlootoutbJ' 4th .Lett

1

2ime 12:45 p.m• .Air Slillt for Westdde mine-dl"'1- 5.2000 euble feetof alr. •

. :i:ime 10;20 &rll. hi ..••sluggish unable.tp megau;:e-hi22A.ltibg •.J"lgPI d.ry.Place d.'t7-aonaiderable dust- ~1m.

?T11IlG "I :301'..m• .Air returnIngtl .,.. i teet.

Entry fee wet- Jint:r'7 dry-WI,:;. 11 ;30 A,m,

Faee of 4th. l1ight

FElOO of 3N lUi;ntstn

- 5 -

t.[ttJ.t tno e:sq,lr;ahn wa"s \'roS l-'t'tlOtloell)' n$t.Ol~p~"f by 0134of tob." •• l:a~~

trM.e CU•• t11&t ••.tfr,$ in Ijl'o.:dm1t: to the Of'!eln 01 ttdt> _1'ltH~1on.

Mr. 'QUi M9. JIu,t :

thts mine w~'sfound to be <117thruout with tile J,osalble e'iltCHitjltion

of a :few,ent17 t&ces vrhich.W$1"e moist to .et on the dqa tbe investigation

was oonducted.'Jrb.&re was no sN'1nkllng 8yst. emplo,ed undergroun4, nor al7

means used to htmldlf1 the 1ntaking air current. 1.00.8 end Cf.tra 8l'8

coal. to fall from oars during tl"&t1S!,orta.tion. \the ohiet souroos of' dust

that were observed are; (1) leMing of ooal in rooms tim $nt.riea. (2) drilling,

(3) und@rcuttl~'f coal b-i macnines, (4) dust thrown into SU8,Hlt)'ion b1

moving tl~~ln8, ::,nd (5) coal tb.rowt1 :fromC<iil'S during tnJ,nsit.

Under ute Janue.17 12. 1921, another uUllleotlon "as made at tne

:Kan18h m:11'WfOr oolleot1on of additional data and to observe conditions

und~r aotual Ol'$1"et1ngcondition a\cl it was found th.at the Ooml'>&n1bad

al:re~d;yOOtl'metloed tne lnstdlat:1on ot a s}J:tlnkllng 51stein und&rsround. A

ap1'1nkling line bad been extencled in ttle ¥~~ln :North be&,dlng aefar a8 the

4th Bight Emtry witb ta.,PI ever; 150 toot. i.l?he ComIB.nJ 18 plennlng to

ext&1'lQ. 81/:r1nltl1ng 11nes lttto Sill the slde entriee wi ttl tal-s at et:t:tr&108 to

oach roam. Below 1$ given a number of Fsyohrometr10 obs~rvationa taken

-4-

It wlll be note4 from the toto.going observations that aince tbe

installation of tbe sprinkling line 1n the lrl8,in North be:d1ng that the

hUmidities tnl"Uou.t the mine sboVil a gradual inCrell.l3Eh Readings 11/28/20

were t.eJten six dtqs after the uxAlnalon and before s;;rlnkling line in

lilaln i;fortr;,. beadlngYW.s installed. wh11e reading. 1/12/21 were taken after

1n8ta11ation. A cGmv&rlsonor readings numbers 10 ~. 12 indicates

th.at on1Z 45%of t.he intakitlg air :relohea the ~.io1nt. of 81,litting at

tbe t01' eud of the lle.ln North hea<ling. A.1ilJrOXllllllte1725000 cub10 feet

of a~r 1$ lost by leake in doors. canvd~bratt10.s and gob .t~.plnp in

a distance ot 2500 teet.

cutting toe ooal bed at 700 1'.t. ~he alAi" 1s d.rlven on a pitoh. of

a'p1r'l"ox1mate1, 28 d~eesil f2be mine 1s wotked by tile uawU room and

villar s:iStom, 8M 1s not. 1.&14 ou.t witb 1"~:f(Jreuoe to butts and taco u

,aVE~ra.bl'(i18teet wide wIth 40 pUlars. Rooms (l.re '""orked 4D feet wlce,

320 to 400 teet. all coal is undercut witn m1,n1:ng machine •• Cutting

del'th. of undercutting six feet. :cue coal 18 dry ~nd there 18 eonsida~ble

-6-

· "lrontem,pj,ng bar. are us6d for ",:t&my:dngr..el~s. 3!lOt8 a:r$ :th'.4 et an.,-

into tbe mine in ~,. S,$CQunQer the 8ufervision of contracto$ whQ a.re

N8.i.,onaible tor tb$lr vroi:'e~.d18tdbutlon. :1?here is laxit1 in placement

and h.andling of eX1Jlo$lV~tiJWld.erground_ It wss obS\~l"Ved during rrogre.8

af examination tb8.t expl,.••ives vary frequently '-'1"8 l'laced on gob and

along side of tool boxes. Further, crimpen are not being used ctZt$n-

sively. but illstlu,ul Of~1ng 18 being dDlle with knives_ Miners in-

var1ably rire!fttre snota with OfElrl oarbide l~.

i1!Atx1cil ~»Ip;gD#;. !fwo motor generator $ets i;uvlng ~ Gal:'&eltlof 175 K-W. J£acb.

fUrnishes liOW$r for Itdne use. Ei~h tarJ.liOrt 10Wer1s purGnallled f.rom the

Alabama :.f'ower'Oom,pl'my at 22-)0 volt.a.a. and this in turn is ~tsteVJ?ocl down"

to 260 volts <i.e. for 'l.mdergl"Ound Q$th All underground htlulage is

l'reformed 'by trollay $fid atorase be.ttery loecm.ttivu. Coal is hoisted

to au.rtQOe by meli:1llS ot a 400 b.•.f1•. ~lect1'10 noiat equ.1PlAld witb. l~drauU,e

brub.

Open oar'blde iemI'1 a~ used en.tirely undergroun4.. J,i;leotrl0

ligllts tll'Et used only dong ttl-e M:ll4in l~ortl1hanlag'$ lmt not in side entrias ••

!tQ\Ui1l1°iO

:&'ordetails d to method of ventUating tb.e Parden mine, refe"

to mapwhioh 18 3 j;ililrt of' this report. ~lUI tM 18 of the .Buffalo J310wer

'11-'. and WO$ Uhauat1ng at the time of the EJ.Xl.tloelon. It bas a oeJJM1t:r

ot about 45000cubiC teet. and 1s a1t\Ul.ted &lIlIroximat01; 35 teet to onG

side of the I.il.&ln retu.:rn. The hoiatingsl01ft is tno int:c,ke II1d the Ai.~

the "in rettUl"Zh 1!he 1n.t~ldng 811' 1s split at last oJ(en eroseGuts near

- s -

·bratUces and single 0.001'#W.ire the means\1$$0.to Gaurs. and deneot air

bratUce wot'k w~.141.00. In ent.ries and rooms. It wa.s fou.nd tnat line

&.b1e to inefficient 11ne brat.t1eea t::1'I.4 oanvas brattie~s that were used

mately 11000 oublo feet or 25%ot total int~i.k:ingairt 45000 oubiQ feet)

I'fh-Chedthe last. ope orosscuts in tne MI.,,!nNorth h.ee.din,g~ find a~~ln under

date JanuQry 12, 1921. 9.11" X'$t.t.d1ngs t$k.an at the to}' end ()f the Main North

he-s.,dlngahowed tMt CPPl'Oximatall 20,000 oubl0 fl':!et or 45% of tile total

1ntaJtl1'l6 all"t name11from 25~ to 45 ~ r&ac~ .points o'f8pllttias. It 1a

felt tlulot itA!' g1"e8ter iuwrovement. in the Tontilat1on of this mine could "be

lJla.cem.entof double doors in various l~tlrts of the m.inewuere {raotioal, the

lnc:re~sing tne number of tiir sl'llte by eonttru.ctlon Ofovl:irO&stllh

All underground bB:ul~p 18 £l&rforrned. by matma of trolle1 and.

81;01"868battcrj~ locomotives_ fbe tn.ck gs:uge 18 42 inones. ?1n$ ties

are used for rOom Vl0rk WhUo ~k is Gl'tqilOle4 on dde and main entries.

~1Xtl 'pound ra11s a1'e used on the rnain h.t",ulage1 40 pounds 11'1 s1de entries ,

and 25 pound in a11rot.llk work. 1000S8 gate 0~1"a of woodQoutJ"l)ot,1on

There 1s no tNctme.nt of ooal dust b¥ ahale or adobe dust, nor

is roCk dust barrle~ employed tor limiting a possible ex~losion•

•• 10 -

,

~.

- 11 -

Tbit State Mine InSf'ector's reIlort for the Y68.1'1919 cla8s1iies

this mine ~s one tnat generate. explosive gas. The C}:Jlos!on which

oocurn4 :i!4ovembor23, 1920, __ caused 1n all ,probability by ignition of

en ao.cUlltule.tlonof ge.$. On the days the investigation of tbb explosion

wae conducted gs,swae found With ap~rove4 sef'et, lam.f;$~t the £:,08 of

}lain hlght alrconr$e. 111room 10. I. off 4th. Left-. Me.. inby fl'om roOlll :No.1

in the lito Left antra- lIioe;i of tile gas 18 entlt;tedtrom co~l 1'$08"but

80me ~omearrom the floor. 11numberor mine air a~ilea Viecl~eCQl1.ected

1~ov8ltibe1' 28. 1920 and ag$ln December 10, 1920, the da.1J'a•• ot whioh

are &;1venin the foregoing table.

SimPle, xp1'i9,eq:November 26, l~.20t the ~;l~a collected are not altopther

npresentative 01' the mine f,\lr as tao mine had not reawned 01181'at1Qn8

81no$ the ex1'~osion; but sttm;f·les colleotG4. lleeernber 10. 1920 are more

nearly re.f,re&8utativEh It ltUl be noted tna.t the H&I eontent o'f the

full ratum (47000 cubic. feet) from the minOt untier nonn.sl operating

oonditions r6.tlg$$ £rC»1l .14% to ••17~ meti'1t"ne. f:'urlber it will be obsorve<i

that 5eml'leS itunOOl'S 33. zae, f,nd 391 taken at the faoe of working entries

bsVQ 4\ methM-€i content n;).'l~,ing from .11% to .25%_ Theeo $anlrl-~s EtN

f~it11Ml.i:resentatlve of ~ emltt~d from working fae-es. '~he ~Yer-&gG

gas (10ntent or the main retu.rn from the mine 1s .ll;% with. 4.5000 cubI0 feet

of air or ga,s i $I being etnitted a.t the rate of 'It) oubic t.)t }er minute

or 100.000 cubio feet in 24 hours, 80 it is &.f'farent if tbere 1s 8lJ,

- 12 -

~nt01'TU.pt1on. in ventilation by doo1"s being left ellen, leakagtl from sioppingsor brattioes, inefficient lbe bre.tticas. or ottter agenci$s, a dangel"ous

accumulation of tire d~p results.

The investightor 'IfI::S un~bl. to .:find a rafort of te18 fire bosses'd~i11 lnsp6otions~ 80 eonsequeni11 it will not be ~osuiblG to stU(~thecond1t.1Gns of th.e mine for g~,s on the morning-previous to Ute $:&,plosion.

It 18 believed that there W&6 no sy.t~tio in.~ectionof tbe min•• onlyllUCh .vlacas wure Qxsm!llsd by. the fire 'OOSS wh1Pre tb~re was e. l1k.elihood of

gu. Ttlis 1s a 110'1:'$ ds,l'lgct'ous .Frooedure a~d 5nould be clisoourage(l.

RO\AU. Of .b'!i4SWAI Qb~EiJ,nftsiQ11¥a~s ot lUq'ti~GtlQlA:

UMe1" d~te ot I~OV$mber27, tne :Parria.b Mine GX~losion, Which

occurred 8:4£) a.m. liov'.iJilber 25, ancl rG'.ul1t1ng in the d8~tn of 12 men. was

lnV'estigAted oytne folll:M'i~ l;art;v.

u. H. t~es'blttt Onier &:11'1$ .l.nsjJeotol'. .it.h,~,bal'tl6..

'd. W. KiOker, .l."oiate 1ii-ine JizaSJ,ioctO:r, i.lab~na.

\j •• l4. Le~, Vice .Pre~ldent, :Hni1w~J hel Oampauy,

.Pt,niel iiii.cLoMld, Mine 3ut~oril1tendent.

T· 1· ~oCJdt ~$SOCiated l:ttsure.noe ComFu.ias.

together 'filth J•• ~. Cobb~indJ. J. li'orb~s, BurellUl o:t ~1nes.

This var't3 l,.r.odoededinto tns mine about 10 A.M. cd me.de tin 1nyestlg6ttion

whlon w~s tne result of this ~losion.1n order to obt~ln more deteiled data lea.ding U}" tot be oause ot

tne eXl"lodon, J•. J. forbes and M.r.UcDonald made an_amination November

26, 1920. ~he fOllowing tacts were obserVed:

- 13-

A re-elltoreed. ceae •••t. overcut. nG6.!'the bottom ot the hoisting

&1(1)8wu .1i!srtlQlly dest1"QVeU. due to the GOllou.sive vmv~) Of tne explosion.

1erJ U.ttl. ewlclft¥1.O$ ot tbe e;q.>losion was Ob$(~rv0d I!&li)ng tbe Maltl ~iort!l

on'''' outb¥ tmm ttl.fit 31'd J.41tt and lU.t;ut ,&mtr-1es ott J~;aln lxoX'tb. lantry.

Oam.vaeto>ttna:lQui./Q. to detleet air cu~t at Zl~ Left ililnd ;,xi-gut tmtrid

we.,. blown tt)W$:rda iia.in .t\orih. l'lsaes ~bar" t4.1 ttlf) ~4 ~.ltd lu.Jul'Od we,.

fo·u.nd .,8 j;Olntd out bl m.r. MQPQnt<;ld, JilHue $Uj.>cu,"int(Jnd.ent. d Gam-

lnat1onwa.s t."l~iaieat a lii;t'l{;e roek-cut 'wfdon •. ~ tliade f\)r a g5tte. ltH,at~

1n M(ioln f40rtn ~l\1;l';.i 'betW$i)Ii this 3ri ¢nd 4th 0rLf;),"1.6. (Umensi('Jns., 16 f'eGt

hi8ll. 22 tui wide and 200 feet lDDth At tb,e time of tnli) e¥r.lo$if,l~ th.ere

1tIQl"$ ~bO"at e men. eml~loJ"a<iat the tQIi end of thi6 rookl-out ebgaged In l&:ylng

tNoOk, all of wbOm~ro burnt to dQ~th b9 tue cl:;loalon. It W~$W80

ob~e"!lJd tbat there w~s V8:t'l little du.1Jton ttltt rlba or /':i:.lo~ tne mu JlAl

1n this cut W1d 1t 18 'ttfJll.wGd trAlt ibis :tCCJllo.~t had ~!lllow04the gaa

to u,Pand and bum wnlch tact. l·':fevent~ the j)$fUJfble S;;;l"EU"tU1\i Qf' the

_1,10s10n ttlreu.ghG'Ut theen..tlre mine.

~he :first 9vid.enee ot coke Wl;i.$ O\)~\\H·\roo.ol}. thill lhCl ,\"r."A, out'by

81des of to•••"1) };>r01IS- ntlll\:t'th~ to}) of tn1~ rock-out. Tbe 001.-. W~$ s1o"l (~'f'£i.y

MelmeN l/fonOl:Uloed on tb.. outlq dd~ih Gob $to.l:})in~;;s batw~n tha main

14ortt1 b.Gad.tngf,iXld Maln tl.lrcou%'$']ffi$ in. ~hiS rock-cut 'Ware int<J.Qt wi tn the

pose.lble ~lI)i?t1onof two ;r.nlab. WSl'rj 1;arth,11N deat1"\iyed md 'bloml. 1n a.n

M.'-tii.:rdly dlri:'letiQlb In tbe ],.1Q,ln~n ~1'COll1'&Q. ':16 t"toutb, fl'~ t be

'tb Left, tro11._:; l'umGiOl"8 \'HU~'$bt'J:nt ou:tb¥. lndlQt:1.ting tb.e 4Qt1jlosiv$

waVf,l h* outbl* iUl stOj}1:j)1ttS with tt:i$ excol/tion of OP.tl betweon iialn

- 14-

, -.Lett $ntries weN bltml'l in on ••• tern11 (}1rectlon. ill •• l 'box in next

to the las' ero. out in the liie.1n !'lo:rts bea41ng I$DO\'WJ4 evidence of beinS

."

laJnJ;i ln the 4.t<ld ••••na..erosl eut n._,,- tno tae. fit lforth nen.ding end again

at, tbe f'aceof ttle italn kft. aiJlC01;I,J'S(h '.Cu· eYw..uoe 1n the .Main No1"t.h.

ent17' • "10M. ttl. 4th Ltdt ent17 .bOwed tbat 'thG -.ploe1Y. t'o1"O$ waa in'bJ.

\rue;ro WU TUX')" l1ttlfJ $vldettCe ot b.eat Or' fl:ame 1n'bJ from 4th lUf!h.t an4

:Lett cnt r1es •

.'l<'nn."" +ok 'liB ie.h.•.. 11. "",to._ •~_..

It was :tound tr~" tb.ro wu VQ't7{ llttlCt 0vlden(llt of an e:q;lo81QU

in the 4th. R1{fht -.t17+ Lin. brattioctln :rOaDNo. 2 ~$ intact. ar.d tl'te

bH.ttioe aoltOt8 the ent17 'tUllf.U\ to ~.•nGOt all" 1nt.Q No. 2. 'fIO_ .- blO\lm

40tm but ~ intact when this ~t1M wf!..&tM"d •• line bRttt-Oft in t111•

• iNour.e-. Amining rill/l.u.tUne '\Niil.$ round at _ t"aoeot 4th lUgilt an.tr;,f

intact. It '(uut learned thb.t tne two fil$cthine 10011. \NOih 4 arAtl 5 OR the ma.,p)

All sWlJPll168 betweGn tbe.ftth .Left entl"l. 'Wf)l'$blown toward$ the- 15-

4tb. Left 81re0111"8.. 'rhere was eVidence of intense hliJat and tlame. r,r.r'ticu ...

lad, 1n tne 4ih lett 8ntr~ tilnd 111roomNo. 1 off the 4th lett .entl'J_

GCFnddemble cl.ebl'b waspUed ngalnst rib OliPsite room 10. 1. L1I10

bl"littloe used to deflect air 1nto roomNo. 1 was intact wbenthis invest1 .••

~tion 'II:S l'ilWe, but tlJe m1ne su..l.,er1ntendellt l:W.vised tb,f!;t it wu blown

dawn 81'14 it ·bad been ~mrtlalll' bume4. J:lea., eOllClng W$..8 observEld on dbs

1n roomI~o. .1 for a 41etsnce 01 about 25 teet. Line b1"attice 1n l'Oom lIlo. 1

was 1;\condde1"ab18 diatAil.no. nOtA tne tace on the date Of t 1'110esanln.atiOlh

From:aU evidence ~tbAt1'84 it 80ems tbat the explosion had ita orl.~~1neitb.er

in room 1'0. loft 4th. Lett en:t17 or from some ;,ioiilt inby frOm Room llio.1 1n

thls entry. It we.lj l$S.rned tn'it lil08 Bently (No.1 on l!a,p) Wboworked in

tbe lst Right ont:ty had been p:romised. room 140• .1 off the 4th Lett fmtry.

It is gfJnern117 W£l'Ose4 that this mon l-'roceedQd trom his WOrking ,Place in

toe 1st lU.gilt 02'1the mOrning of NoTember ZZ to ll)iiher start WOrking tb.is

room Of' eJW.mlne it. e.ndwalked Into a bodl of ga~ end 19J11t" lame with

open carbide lanrp whi.cti he wore. Bently.s body w~"aburn~ severely.

Ttle 4th. Lett Emirl bad not been worked 1'01' somet1ftle.i:revlous to the ex••.

pl08ion mel .it 1s believed that th.e ventll&tlon bad been ae1"10u81y iJ.n~e.ired.

to sucb an axtent that gas emit too. ;in, t he-Wprki:ng ,plac,es'" ".vasallowed to

acclollllUlate.4 'rhere W{+$no record found tb8.t would indicate an Ins.rection

ot th.1s sectloneitbnr on the morning lJreceeding tb.e eXfllosion or while th.e

mine 1a1d 141. due to le.bor tNable,,. Mine Offioials adVi~H34that denger

ltoarcla haci.b~Hm!,lficed f.t the entramoes to 4th. Left entries end lently

(oolnl"iild) 01.l1'eleasl;y disregnoded the boaNs •

•• 16 ••

On ttle da:q8 of thi8 lnveilOtigf,tiont _ f,aob. calf was found at the

faoe of roomlio. 1 md lnby trom roomNo. 1 in the 4th Left ent17 p&

bed biil,OkG4 1'01' a conalderaole 418t9n.06 frOIl'l the fa.oft. !Just 1'181$4 little

or no part in this explosion. 'lh. explosive 10roo eli.ad away a short

distance in tbe 3rd 1\1gb.t and 3rd Len entl'!e. and there Wi8 I1ttle or no

evidence of the uplositm in any of the side entries outby from the 31'd

:Left. tmd :iii f9itt Gut ria ••

'J!he8XJ!los10D.which occurred in tne l'&.rrill5b Mine of ttle n$.Hw&y

Fuel COJt1,l.lanr, 8:45 a.m. ~ovEJi;bGr 23. O~I;t$ed the dew.th Of 12 men and slightly

in.JUrK eight otbers. N'in4t of the 12 fle&i,- died as a %'Gault of burns wd

three SUffocated from. 'i;he effects of filfterdaln~. lfM.s mine had been sbut

down on aceaa.nt of labor t1'Qublea for ~everal da:;""8;;revious to the u.plosien.

1i1eSSl'lh l.$ake mel MoDon&ldwerill in the mine of£iee when tno~ f1rst learned

of tnt. eX'k'losicn. ltr. Y.;;.Q])onald, lmmedie.tely 1'l"Oceedod into the mine an4

took ~.r8onal chnr~. of the recovery work. He or~ize4 loc~l r8aaue

squad. from h is mine em1101e&S, wb11ft ~r. Leake took c",,:re ot re11ef work-

on tbe sUrfacee Ohlef Uine lnsl,eotor, C. fi. Nesbitt, on lesl'uing ot the

eX};ill.lsiOn lmmed,1attd1dia.1,atcn,&d onG of l1is as~;oclete ins.Factors to the

leene of ttle' d1aaater. VerJ l1ttle time WlHil dlsail,e..tad, due to 10S8 motion.

!rhe vent nation Wh& t~orarily restored by Nsaue aq'll9ds whare needed.

'lhe 1"$80"'.1'8;(414not weAr al:l'aratu8 en4 consequently a fflfl of them suffered

from tne $f:t~et& of lllfte~. 0108 Bently, a OOlONd miner who worked in

...17 .•.

the 1st Rigtlt entry w8nderedwithout instniot1ons to tne 4th Left entry,and ignited a 'bodJ of sbnd1ng gas whioh c~usad tn. ex.p10liilou.· iureau of

ktines Jts.tion a.t Bhm.1ngtwn w~~snotHl04 s.t 10 a.m. b;;; the Chifat lilne

(lion_ 4 and 5 on t.ne mail) who were cuttinf; tile face of the 4th Hight ent17

'Wanderedfrom tbe faoe of the 4tb. lUght m'lt17 and dled from ttle effects of'

afterd~. T~o maeb.i~e, lios. '1 and 17 on the map) ware slightly injured.

b1 Yioleuce n~ the mouth of tne :;l1'd Left ent}'y. W. H. Mh1"tln '7.'l'10 worktl4

- 18 -

OhapDWloalle4 ~o lllartln 'tbat he WHS getting ao Qak tb.a' he WQ114 be un-

able to travel ani fUrther. Ohapmants bod~ wes 1'800",e* ehortl1 aftfl'

the explosion at :place ind10ated by l~o.6 on map. Chaprundied from tne

ettect of ~:ttElrdmI~ as his body ebOwedno signs Of'·vlolenc. or bums •

.M~rtln tl'ev<tle4 to point. shOwnon the lila;;,. ~O. 16t and wos later 1"'G8cuod

and taken t.o the Oom.t;,&nl doctor' a oltle.. Hewas !IOsd bly in a scl-

00110410us condition for 8evenl h.oura ~d wben h$ "lima lntervlewect recently

l'(illlW.l'kedtiwt be -. 1n j;81"tect health. 10 OU worked 1n the 4th Left

entry .~ all wnc worlted in tb.e 4th .R18htent~ '.0a'$-,84 thru oonnecting

roomNo.2 witb the e.x.ce1?tionof :No. 14. (see map) • whow~;s later ta;,ken

hom the mine aligntly lnJurQd. '11Msexplosion was entirely local tind

did not pra~a~te throughout tbe mine.

QflM1IGlQII;(1) ll'rom ttle eVidence celleoted 1.~diD«u,Vto the cause of this

e:a;ploslon. it h~ believed that l1is uplosion odginated either m room.No.1

or a abort castano. lnbJ room fio. ]; 1n 4tb. Lett ent.~t1 was caused 'bl

ignition 01' Ii bOdy of' sttm4ing gas. It 119fUrther believed tr...at this

a.ceumulettcn ot ;~.swas due to 1netfe-ctlve ventilation O.tiitlsod by the use of

e~as martains. line brat-ticH !iot being extended.$U,fticlently close to

wo:rlUngtaces. tmd.1ealq gob stoP,Pin,f.,'S& On the t1l"st e;lU.lm1naUon of tnhl

min.e, it was round that onlJ 2.6~0'£ the total (45000 eubio feet 1'er m1nut.e)

lntak1ng Gil' re;ot~ to points of s!)litt1ng in tl:le 1taiJ:l North h.e(l.<l1ngan.d on

a aubsel.luent exsmi1'lat ion 001)' 45~ of the intaldllS air was accounted for at

- 19 -

points of 8plitting 111~a1n Hortn beading.

(2) ThIs mine had been 1dle for aevfJral Q.tq8 .vre~l(Jua to the

e¥J?l,;;slon, &1. to labortroublea. filUQ ~a ne$..2!' as could be de-te:rm1ne4no

mine 8XtJil1natio:ns WeZO$ m'-e by the £1 re bOa.. M,opeOTer. there was no

Ncori wfljl;iho.,ve-rke$,t tlf tne fire boss' insji'ect lons. }!'urlhe%', it was

.1e8J'ned that tbe f1r$ beas did not 4mdue$ a s)"stlematlc 1nplection of .

the mine, pn~z deh ,1\lao•• 'bdng ~lned wbere th.ere was a lUceliboOd

ot 6W-S occurrence. Gull one :fire boss was emploJecl and he .a.$ ex..reote~l

to :roturn after D1"&akf'ast e.nd £l1,end the balance ot. h1s$h1:ft in extendi~

line 'brattloes and doing suoh rej;ifd1"to the ventil&.ting .<.'luil.ment li3 was\

neoenary. It is though.t ttu~tone fire OO$Scould not eff.ioiently attend

to 80 tm~ortant u dual dut,. On a reo~t e~~nin&tion Of this mine, themine sUj,.,erintendent a•..t'~ls.d that three fire bosses ware Dn,.~'19W. to

t.lUake mine ln$!Jeotlons, 1,.n4 attend to ventilation uj..'-k4eV.

(5) It 1e tn. in-vaatlg1:ltors belle1 the.t (lust 1>18fcd a very l1ttle

1?art in ttl1$- 8$101110n. U sboUld be borne in mind, however, thst' there

was suftlo1ent 4-q In£lammable dust on ribs snd leriges in aomosections of tl-

the mine to have Gitused a grant dlsl;Q:Jter. It is fUl"th.~rbelieved thtlt

this ex.ploBian wr;i;S ato:p1;M almost 1n its (i'ntlretl bye. rock out in too M.&ln

.NoX'tb bead.tne betwean tn. ard sn4 4th entrlea. Alao, there WQ~; not m1q

oonsiderable $mountof (lust del,osited. on ribs end ledge. in the 4th Left 01"

4th. Iiight ~ntr18a or in tho rook-cut rdterre4 to f'l'eviou81¥. This soction

of the mine had only b~ien developed a enort while tmd the tn. JUs were

-20-

'ballasted with rook.'1:MH meaauresware oontrlbUt017 tao'91'S in IbiUlng

to frepaptlon of tbe o:{.lo$1011 till'Cugbout tn.mine.

(4) 010a &&ntll. a colored miner, who worked 1n tne tit Ri3htentr:r. bad, DtUI1'\. ,fromlaed, l-rev1vus to tl'.Uit enutdom of th.e :mlne~So J?lace

in the 4th Len entJ7 •. but as near as could be determined, i.lantly did not

reoe1ve $.I'I.J lnat1'\'Wtlons e1ttler from the Mine l"oreman or .Mine Superintendent

to pl'Ooee4 to thb nowviorking 1.)lao$ on the morning of the -.vlosi01h It

is generfi.-n, Wld';'ose4 tha.t· l30tttly "&8 anxious to examine this new lilace and

1n b..is anxtet" canlessll orO.8i0d a u@{;,"er bo$l"d which W6~ laid at the

~ntranc. to the 4th. left entX7' a.ud ignited an aoeumtllfi.t1on of gas with. an

O1ien oarbi<1$ lsm,p. i@nt1.Jt i!j b<x\J Wt'. round O.H;osit.a ttt.• mouth of room

Be>.1 in the 4tb. 1ett entry sev$1'Glrburned.

til It 'Jll1 be noted by teferring to the w6tlys6s of mine~ir

s8lIi1Jle8 eollaeted in the .I1ifl.in lleturn til~t this mine snits, ap1-r1'C)x1m&te1l

.15% t\l$tb&ne anel with 45000 cubiO toet of air retul'tllng per minute total SU

$1tIitted in M b.ours Q..\;i.liX'oxWUi.te8 100,000 oUbic f$tlt.. 1t 08n be rea-dill

seen thut. if' there we.a even a i>&l"t1f,l.1 lnte2'1'UJ;ition in vf!1ntilat1on, eo

df.l.nsEl'l"OUIJ &CQWnulat1on ot gas would necesae.rilr result.. ~he ~·r"ent fan

la ot til. teml>orarv constl"Uction and is barely lar-go ooough.for the .present

mine ne$de. The OQm}ant realised tbis o<mdit1on for somet~e and b~dcommencH tne ln~l'tf;l.llf:.tlon of' a new tan having a 08!"ae1t1 of 100,000 cu.bio f6$t.

(6) 'rb.ertt was no SlJrlnkling done prior to the eXl,losion.~he

Cacmp~ nas ~~t1ally 1nst&11ed a tlVe line svrinkling $3stem 1n the ~aln

Nortn heading, sinoe tUG ~.1081on. It 1$ It'lt..,ndad to e.x.tend 1;11,elines

into sid.• entries with taJiS ~t tile tnO\1ths of each room.

- 21 -

('1) 'fb.el'e was no relOue ajiillaratus used 'bJ looal rellcue llJiiuda

1n the :reeOVGr~Viork after tMe .XI.lesion and. as a 1'Oault several of the

local nswel" suffered trom the effeats of &tteJ:'4emp. 1t 18 felt tbat

it rescue £lj':f'S:re.tus and trained men were ti.'Vallable much.more effioient

work aould have be~n aoool'.ll.pll~hecl.

(a) It was obse1"Vedth~t shots were tsmp~d with 1ron tam!)lngbar. and that l;$.rmbsible exploalv1;t. wEIre 'Used ent1rel~ in blasting coal

an,l tb.at blsck },owder was only use4 i11 'bNsh1.ngbottom. ~bere se._ to

be la1t1, however. in the rtol)er bandling of e%-11os1ve8under g1"Ound.

It was observed tbat stioks of eX;lllos1vas we.•.••fOund on top of gob and

along tile sl<1.$ of tool boxes. Tohie is a dangerous :praotioe and. sl10uld

be di8oouragad. ~he vractiee ot ~retarlng sbots wnile wearing open

carbide lamp. shOtlld be cUsoouraged. Sbots are tired at ur time during

ttl. working liMn when all men at'O in tiu, mine. in the event en

explosion -.s 1111tlete4 b8 i,oss1bleovorcharge4 m.d misplaced sbots, &

grave disaster W1'Ou14'tU1do~e4ly result. U is tMugh:tt the Oomp~

.boUld give tn1$ oondition cvrefUl oonsideration ~d ol1m~nte thia

u.lstil'1g b.uar4to e. gret-t extent, either by iJ:l.stQll~tlon of an eleotrical

shOoting &ll.ten;. cCIltrol1ed from the O\1tsid. or the _j!l(,~nt of shot .•

tlrenwho would fire iAll shots elGCtrically after tn. working sl:1irt a.n4

"tum.all men are out Of tile mine.

- 22-

1. Sprinkling 11nes should. be extended. into all slde entr1es

wltu tal>' at tb.o entrance. to rooms. Spr1nlc11ng to be moat effective

sbouldbe l'rG$eoute4 ~hrou6bl;y 4il1Q regularlJ 1n all aeotion$ of the mine

inoluding wo-rking facea. All dust being -.sheA down from roOf', 1'4.1•••

timbet'S. an4 tbe dust on tne £loor maintained in a 1,ytJ masa.

2. Oare ebOu14 be tak91'1 to Gart"J ventllf4.t!.Qn to &11work.$.n8

facet and good averc$st •• BtoVlllnp end. door8 should 'be ,Vrovide4 w.re-

•.•.er neoes$aJ7 t 08I1'V'a8 'being u.s~ only for t$it1ng the ourrent to

a4"1aIloe wOrkibij'. ~bo UN of tn. cement fJ;1im fOr ta41ng gob stoj;iit1ngs

and iocr. would" otgreat assistQOe in the l,fHventlon of leakS_

3. 1?b8l'rEilent 1.nctice ot tiring ,bots by fUN at nay time

during tlte working s:nUtantl when alllll$1l.t:l, ~.• in the mine should be

enanged to eliber M eleotriaal snooting system centrolled trom tb.e

$U.1"taeowhen all mGUere out of ttHt mine, 01"ttl. emplo,..,.t ot

QS!IllJlft1iio& sh()t-flr~J1'$ who would "fiN" to. mine b~' ti:~.Ulle of elect1"io

detonl1tot'o and blast1118 maob.inea after all men had left the mine_

4. Would l'Goomend onll b,igh grade _11 to act in tne

C6j.lao1t7of f.'1re-bo8$es. and that tb.e:f be required to l'erfommlue,

esem1natlo.na oul,. and futher tbat a str10t J'OGol"d be kej?t of Bueh

lnsltectlonlh

-23-

5. Slnce lianpl"W8 aOCJQl!lQ1atlona of a;:loelveglSa an llk'e17

t. ocour, tb. Moptlon of 01f).eellight. ia "h'Onsl¥ reoomtend.e4.

1'1"8t$1"&b1y the ;pemb81'ble electrio o.a.p V$r1etiT-

6. Would re4Onmien4 the installation of rescue equipment

and mai11t~ ot tralno6 roscu.e &ndtirst aid O!'OW$.

. " • Greht 00.1"$ ahtn.'Ud be taken to s.. tht..t 210\ more than one

and on.-:b.alf potnds of ,PeJlt'l11l11aible a:plOll"08 'be U1iIe41'81' ,hole; ~ni that

the fl"eSent liraeiiee ot t.&mi1na shot. with an lneom'buat1ble atemmi~

~ oontinued.

- 24 ••

•••••••••0-.1 •• , •• I.. '00 1c'e- ·to gO tbrou._ •. 10mrt_ ateYe ta

•• 1•••••.• , up1o.1•••• ba. otal •••• " will ••••• a ae •••Id•• S.apl.d. aaA 1~• ...s.tl~'.'0 .»p1oalltUl'J' 18 bIftea..a

.•. ~ the P:lr~ __ ot ooal t1MJ' ••• ao _ •.•••• U to _.

eoal ••• .u ,..as».s tUg" 20 •••••• JIa.YbII• unata dII01at ••• ,

wlU ,... .100 •• _ •• 1. the JIIJIt • .,lOa1_ sa p.~l. te \U

~ __ ., 100 •• aoo ..0 clUt pr•••••.

It, •••• ooal·'" •• pe.aHI. ao •••.•• aat •••••••••• Of100••• claP ~ •.•••• ..,IHi ••• t \'fhItn all pU."

100.Ill d4 ~ 10$of Sex>.... tM __1081. 1. "f101.t sad. the.101-.0 ~IJ. as the per••••• 01 100 ••• U I••••••••

..,..•.•.•.•.•• _tl0 of ~ .•••• 116.'.J' w ,. tt..-A __ 1• .-

t•• ot the t•• 0, •.,1081)111\1 ot t1w aa\ • tlt. lI1sWiM "oJ.MU••

_H1' •• mwe ••• n" 11 the du.$t 1pite4.

e. ~. of read. ..,.. ,... _1. Ilt.Ja •••••••••••• m1•.•, •.•••••It••.••.••tnce t1:l8 wtaJ, lDo••.• 'tn.(mol.' •• ~ dlJ .

4oe8 act •••• d 4.8.-, the ._. ell Ie.U wt. __ ••••• of ~"U.l_•••. ~ with iltt.la:.rgll. Qot.1 dlUt ~t" •._tio .tM.

to HII4R tadt 1'0&4 ••• , ••••• _10••• -. • .-..u )It •••

a••••.• ~.t1Cl1eDt .aa ••• t••••• the total •• , .'.ria3. ,. to .",

.-11-

•• Qt. 1•••••.•• ., ap1.tlJlft gee ~ •••• , •• .,401•.•••

aoaJ,4 -. ailtd ~ 'bJ'1JII ••• 1.~~ "P to 1& •• ••• •• • ...,.

an •• U"". ~ lid •••• 1" .lIe cia" ...u..••.we' -mit".ap ••••••••

'*US •••. Ju' •••••• "as ••"SDI J'etmJl82l.tl" .ef ....,.••••••• lt1OU. l' 1f01I14 '*.•••••...,.to IdA.• "._ ,. ••oo:IE •• IItIt.14

•• 1; •• ~_1'''•.111u proMble: *,"u ,:hAt #1.••• w111 ~ l'l&\@ ,. •• aah •••••

1'084 a4t 1&_,.~.-. tbe ft). _14d Joe e1tber .•••••••• 1d..

~w~ ••'!hit.hlp ,.~~ d .tuIh S1l the 1'O•• at •• lea ••

1e1'pl, r.$!Jons!:~l. tor the nplHia 'b$~ oontb1ed tc t:M100&11'" ot

It. o:rls!LXt :toOkor ~ liUt ia a~.""'- it moult. •• &Bu.-a. 1;0."-

•• 4 .1bB •. Ii )0'\_ e.t..•.• nte o£.' 1•••• 0 p•••• )).- l1I1ta1 100\

Of • .,. It _t. 1•• ~ th.t dUt ohould bf.t ktP" •••••.•••. ,.

1"1. aa4 __ klfPt s.. • pu'J ••• .: •• ~. aa4 i. all nrJd.JlS p1.atM

, •• ",1-.•._ l"OG~tmd bottom ~d 'be -'0 .••• t. 10 , •• , laacIlCtMa \111

•••• ~ .::(U!'G t1rbg .O~I.

APprovedY7A-/.i)t/V~:.U~~J. w. PAUL,

Chief of CoalMining Investigations.

6-261 DEPARTMENT OF THE INTERIORBUREAU OF MINES

Am-DRY Loss

III:;~~

:__:~:d"~b~_:~:::_:f~:::·:·:·····::I·_::·=_·::::::_:_:••~:::..-.:.: ••••••~:~:.:: ••Hydrogen -------------------------------------------------------i- -- - - - -c- --- --- -- - --- -- -- -- -- --- --- ---- ----- ---- ---- ---- ------- - - ---- -- ---- _

I

1:::.~:::~:.-~:~:.~.:::Q~~~~::~t6BO.~:::..·.l~cei:~:.:::::~:5~~:::~~=~:::Sulphur ~_b.~o.Ugh--2Q~me~h------- J5_~_?f}_7 --------------------------;~4Zi .9-4.-----..Anal¥zed __

Ash ~_Q_tJ~,J...__Wj;~_Qf ~~.p1~ :1,.213.1 --------- __ ___ _ _ _

--1---- COAT, COAL COAL COAL(Air dried) (As received) (Moisture free) (Moisture and ash free)

---------------------------1--------1--------1--------

Moisture ~_~_~-c---------I-- ------l-..oa---------------- ------------.2.4-'1------- _(a)

Volatile matter "___________ ?~!_~g ?4rf}.QJL ~~§~ 3.9_.U _

Calorific r .

dei:;::ed 1:::::St~:::~:~::~~-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Cumulative

per cent.Screen test, through 20 mesh 100

through 48 mesh --------------------------______________________ .53..9 __

through 100 mesh --------------------------------------------------___________ _ .33.•.3--through 200 mesh -----------------------____ .20.•.2 _

Area from which sample was taken (sq. ft.) _ _

a This figure is the ratio of volatile combustible to total combustible.

(Signed) 1i~__l4.L.Q.QO.P_JU·- •.----- , (fhemist

6-261 DEPARTMENT OF THE INTERIORBUREAU OF MINES

DUST-ANAL YS IS REPORTTest N 0._____________________ Lab. N 0.-~--7!t6l1--. _

Sample of !!~_~ dust (through 20-mesh screen). Can No.---l88.-----------.

Opera tor ~_~!!-~__~~~__~~P_~X_ •. _ __ Mine k~;g_~__t! _

State_~~_~~~!__________ County ------~-~!;~-;'-------------- Bed -------------~~~--~-"---------------------------------Town ~~!'!!~_~_'_~!~\l~L! _

Location in mineA!~ong-.z1"d-.Rt ••..cHe.a.ding--O-U-.1ia-1n-1it •. -a1-r--C-OU.J!8&--and--b&tween--Rooms--2_-_and_ 3.Method of sampling i.:lt.anda.rdL ._ Gross weight, Ibs._______________Net weight, gms·--801-.5r--

Date of sampling ~JL?.E}LgQ----- Date of Lab. sampling __121-91-20__________ Date of analysis_..l2/2l/20--

For B. of M. section______________________________________________________Collector ------J:---J..--F-o-r-be-s..----------------------

AIR-DRY Loss COAT.(Air dried)

COAL(As received)

COAL(Moisture free)

COAL(Moisture and ash free)

J M<ristm'-~!'_~_________dJL__2.55____________ (")Volatile matter _n__nn m2.2_•oc.... mm_ m .... m~~!~~ mm mmm __22.21 ---m-$.7Sm .. -----_..

~~__~,:d:=:b:on~~~:::~:::n[~:::::::ln~:~n:nIn=:nu~~::::::::::I

Hydrogen ------------_---------------- _---------------_--------_1 __ - -- -- -- - --- -- -- - -- -- - - - - - --- -- ---- - --- -- - -- ---- -- -- -- ---- ----- --- ----- -- ----- ------ ------- --

•• C b ~--I-- -Jul T> • ~ dI:::~~:~:~:::~:::::-:::::::~:~:.~~~.~:::::::-::--::-::::=~~~:.:::=::::::::;:l

Sulphur -------------~.•• QU6lh__20~.mash ~ 80l..s.-------------------------- ---------------65-.56-------- ~--Anal_)"Hdr--------

-----~~:_~~~~~~~--~~~~~~~~~~~~~~~:~~~-~:~~::~~~~~~~~~~-~~~~~----------------~~~I__:~~_~~-~--~-------------------~~~~~~~~~_~~ _CalOrific! .value Calories ----- ------------------------ --------------------- --------- ----------------------- ----------------------------- --- ------------------------------

determined . . _ .lBritish thermal units, -------------------------------- ------------------_-_----------- -------------------------------- ------------------------------

Cumulativeper cent.

Screen test, through 20 mesh 100

through 48 mesh -- .- ---------------- --------------------------- .----------------.--------------------------------- -00-.5-

through 100 mesh ----------------- ------ ---- ----- ------------- --------------- --------- -------- --------- ----- ---- -31.1--

through 200 mesh ------------------ --------- --. ------ ------------------ --------- --------- ------------------------ -18.5--'Area from which sample was taken (sq. f~.) _ _ .

Date, __P-~_~~~~_~~J~~~Q,__ (Signed) ----1t.---..--CUCf--er.--------------------------' Chemist:a This figure is the ratio of volatile combustible to total com~ustible. 6-515>

6-261 DEPARTMENT OF THE INTERIORBUREAU OF MINES

Test N 0._____________________ DUST-ANAL YS IS REPORT Lab. No. !?~!~__. _Sample of ~~~ ~ dust (through 20-mesh screen). Can No. 7Q~ ..Operator ~!!!~__~~~_~~~_ _Mine ?_~_~!:~_~P! _State __~~~_~________ County __~~~~!"_~________________ Bed ~~~_"~~! _

T .farrish, .blab:'JJll!hown .. _

Location in mine ~t~.__..l\~g~~_.1i~~~~~g! .. .. _

Method of sampling ._$_t~Jlc~r..4._! .___________Gross weight, 1bs. 6______ Net weight, gms. __l7_4..0y

_

Date of sampling. ~~.L2~L~Q_____ Date of Lab. samp1ing __~?1~L?!L----~---Date of analysis121-21/2.fL_For B. of M. section____________ Collector __.J!__l.!__lQr.~~, _

COAr.(Air dried)

COAL(As received)Am-DRY Loss "1

-------:-~7.2 r-

.~ Moisture .: ~ ~~~ ~_~...:~~ _~.~ Volatile matter __.--- -.---- __ _ I!Jl.lll __--- --- --1-----1lO 'Jll____ __- ___!l!l.J,I_?__-- __-31i.a4.- (")

.j fued carbon ______I_~:~I ~~=-------------- ~:;;-----§Q.~L--Ash , " ,_____________ __ __ _____ ______________________ _

--------------------------- ---- -- -- - ------- .1-- !~~_~~2 1 ~ ~~!_2.2. 1 1.00 __DO_..__~ 1 00.00 _j IHydrogen ! ,. _

COAL(Moisture free)

COAL(Moisture and ash free)

Sulphur --------------------------Qn.-20~h. -.28.3. •..0 -------------------41.•-9-2--- -----Re,jectod---------Ash ~b.r_o.ugb.-2O!"..m8.s.b..___________ _ __ ..l'li._O'____ _ _ _~§_!.9~ .AzUi!1¥zed. _

------ . ~Qt~__~~l~.__~f__~~~~ ._-c ~?_ ~..0__ __ __ _ ___ __ _ __ ___ __ _ _____ __ __ __ _ _

CalOrifiC! .value Calones --- -------------.----- -------- --------- --- -------- - -------- ---- -------.------ ------- ------------------- ----- ----- --- --- ------------------------- __

determinedlBritish thermal units c -------------------------------- -------------------------------- ----------------7-------------

Carbon _

Nitrogen - --- .. .t!l.-_~~_t:l.!!.~~-!---_----_-----_----_- 7- _

, Grems Per CenOxygen . _

Cumulativeper cent.Screen test, through 20 mesh .___ 100

through 48 mesh -- .------------------------------------- ... .._ 44.0 _

through 100 mesh --------------------------_-- ._______. . _ li •.fL.

through 200 mesh -----------------------------.--------------------------------------- -6..2---Area from which sample was taken (sq. ft.) .. ..

Da te, _~_~~~~~_!__~L!~?_g_~___ (Signed) ~~_~_~ ~~Q1!.~~_! , Chemist,a This figure is the ratio of volatile combustible to total combustible. 6-51&;

6--261 DEPARTMENT OF THE INTERIORBUREAU OF MINES

Test N0. _DUST-ANALYSIS REPORT

Sample of --iQad------------------- dust (through 20-mesh screen). Can No. 7'O'O _Operator ..Ba-1-1.way--Eue:J.--C-{')Ul,p-"-!lJ"---- ____ __ ___ Mine ~~~~,_t1. _Sta te..Al-a-bems.-.- _____ Coun ty ---",,-l,., ,:;-a,- _--Walke-t"- Bed ---------Jla-J'¥--Lee •. - _

Town ~:arl'ish.---..Alabama.-------------------------------------- _

Location in mine---950---tt-.--t'r-om---Me.i-n---slope--in--tfAfL--le-f-t--en-try--.-------- _

Method of sampling i?~~_4J3,~__________________Gross weight, lbs. ~_______Net weight, gms. __?9_~~_~-,----Date of sampling_-llI28/ZQ.________ Date of Lab. sampling __l2/9./.21L________ Date of analysis_12-1.21/.2(L

For B. of M. section ~ . .__________ Collector J.lI__.Je__F.Q1!.bu .•. _=========--------------

AIR-DRY Loss COAL(Air dried)

COAL(As received)

COAL(Moisture free)

COAL(Moisture and ash free)

1.4 _~ Moisture ----------1.13-------------- .2.9_49 (_;)

~ Volatile matter 26.SIL ~_Q_~_4e____________ 27 .• 1.6 37- •. 62 _~ IJ Fixed carbon -------. --.---------- 44 .•.52 -!----------43...9~------------ ------.--------~Q-~Q~-------1--- .62~_3tL _

--~~-~~~~-~_:_::::_:.[.~:::_---_ ••••_I_____~_.-........._________~:::--.I __~::;;;,-.--.I I:~:::~:-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~r~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~i Nitrogen _. . . . . AfL_Ee.o_!iiyed.'l . _

J Oxygen --------------------------------. --------------. --G-rel1lPt--- --------------------------- -----r~a~ --Cent .•-----.---1- ------ --- -- - --- ----- - -- -------

Sulphur ------------------.-------Ql't 2Q~me_'1't__.§1_O",J,t · I---------54.64-------·----· -----BeJected---------

_Ash -------. .. !.C~tmgh- 20-meah------SM .!L ----- - - -- - - -46.•$ -. ---Anal¥18d ••-----

-----------------------------.-----'J!.ot~1- -Wt .-- 0-1--8ampJ. 8-- ~-1-l-O-.--5------------------- - ----------------------- -.. ---.-. ------------- --. -- -----------Calorific l' -value Calories ------------------------------------ --- ----- ------- ---------- ------ ----. -------- --- --------------. ----- ---- -------- --- --- ----.--. ------ -.- ---- ---

determined lBritish theI'mal units 1 ---.----------.--. - - -- ------ .---------------------- -----------.--------_- • _

Cumulativeper cent.Screen test, through 20 mesh .______________100

through 48 mesh -------------------------------------.--------- .---------------- --_______________-57.•1-

through 100 mesh --------------------------------------------------------------------------------------.--------- -31h-o-

through 200 mesh -----------------------------, -----------------------------------------------____ -20.2..Area from which sample was taken (sq. ft.) . .___________ ..

a This figure is the ratio of volatile combustible to total combustible.

(Signed) - H.._..M..._.aoDper ..• , Chemist6-515.t